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| Number | Title | Issue Date |
| 7391568 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer; a backlight apparatus arranged at one side of the couple of substrates of the liquid crystal display element; a polarizer arranged between the liquid crysta... | 06/24/2008 |
| 7351346 | Non-photolithographic method for forming a wire grid polarizer for optical and infrared wavelengths A method for forming a plurality of parallel metal lines on a substrate of thin film elastomeric material and a wire grid polarizer formed by such method. A sacrificial layer is formed by coating the substrate with a water soluble polymer while the substrate is stre... | 04/01/2008 |
| 7307725 | Surface inspection apparatus, polarization illuminating device and light-receiving device A surface inspection apparatus includes: a light source unit that emits a divergent light flux of predetermined linearly polarized light to be used to illuminate a test substrate; a first optical member that allows the divergent light flux of the predetermined linea... | 12/11/2007 |
| 7277141 | Optical bodies containing cholesteric liquid crystal material and methods of manufacture An optical body includes a substrate and a cholesteric liquid crystal layer disposed on the substrate. The cholesteric liquid crystal layer has a non-uniform pitch along a thickness direction of the layer and comprises a crosslinked polymer material that substantial... | 10/02/2007 |
| 7173760 | Luminous intensity distribution control device and display having the same A liquid crystal display apparatus including: a liquid crystal display element having a liquid crystal layer between a couple of substrates; a backlight apparatus arranged at one side of the couple of substrates; a polarizer arranged between the liquid crystal displ... | 02/06/2007 |
| 7159534 | Display unit having a center display A dial 21a is positioned in front of an LCD 21c, and has an inner periphery surrounding the LCD 21c. A pointer 21b is rotatable by a drive 21d positioned at a backside of the LCD 21c... | 01/09/2007 |
| 7087194 | K-type polarizer and preparation thereof A process for preparing a polarizer is described whereby a pre-polarizing article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a thermal acid generator, is exposed to radiant energy at a temperature sufficient to effect... | 08/08/2006 |
| 7063429 | Light-emitting display device using light-emitting element and electronic apparatus An electronic apparatus has a light-emitting element and a light-emitting portion. An output light from the light-emitting element is guided by a frame-like member having serrations and radiated toward the light-emitting portion. This causes the light-emitting porti... | 06/20/2006 |
| 7012703 | Automatic encoder resolution calibration and length measurement system and method The invention is a system and method for automatically determining a resolution of an encoder, automatically calibrating the encoder resolution, and automatically determining a length of a workpiece from the encoder resolution and encoder count. The system comprises... | 03/14/2006 |
| 6949207 | K-type polarizer and preparation thereof A process for preparing a polarizer is described whereby a pre-polarizing article comprising an oriented, vinylalcohol polymer film layer, and an acid donor layer comprising a thermal acid generator, is exposed to radiant energy at a temperature sufficient to effect... | 09/27/2005 |
| 6934080 | High efficiency viewing screen A low-scatter polarization-preserving multilayer viewing screen. A substrate D, preferably a volume diffuser, for increasing the divergence of information-coded-light while preserving its polarization sense A as it passes therethrough has a discrimination of at leas... | 08/23/2005 |
| 5000542 | Optical type encoder In an optical type encoder for projecting a light beam onto an optical type scale having a diffraction grating formed thereon, forming an interferenced light by the use of a diffracted light from the scale, and photoelectrically converting the interferenc... | 03/19/1991 |
| 4998798 | Encoder having long length measuring stroke An encoder having a long length measuring stroke with a simple construction is provided. The encoder comprises a scale formed with a periodic lattice pattern, first and second reading heads arranged along a moving direction of the scale for reading the sc... | 03/12/1991 |
| 4311365 | Meter for vehicles The present invention relates to a meter suitable for use in vehicles. The meter has a polarizing window which allows light having a vertical component only to pass therethrough and is preferably oriented so that optimum angle of incidence i of the polari... | 01/19/1982 |
